
hermes-agent
The agent that grows with you
The Lens
Hermes is Nous Research's open-source autonomous agent. It builds skills from experience, remembers them across sessions, and connects to Telegram, Discord, Slack, WhatsApp, Signal, and email out of the box. Works with 200+ models through OpenRouter, OpenAI, Anthropic, or Hugging Face endpoints.
Install is one curl command on Linux, macOS, WSL2, or Termux. After `hermes setup`, point it at any provider; switching models is a single CLI flag with no code changes. Runs on a $5 VPS or a GPU cluster.
Pick this if you want one agent deployed across messaging apps without rebuilding for each. The closed learning loop (skills accumulated from prior runs) is a real differentiator vs framework-first kits like LangChain or AutoGen. Solo and small teams pay only their model bill. Large teams running their own RL stack already have this layer.
The catch: it's research-y. Nous is an AI research lab, not a SaaS company. Docs are dense, support is community-driven, and "self-improving" claims always come with caveats. Treat it as an experiment, not a production-grade agent.
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Free vs Self-Hosted vs Paid
fully free**Free tier:** The agent is open source. Install it, run it, no licensing cost.
**Self-hosted:** Run on a $5 VPS, your laptop, or a GPU cluster. You pay infrastructure plus your model API bill.
**Paid:** No paid tier from Nous itself. Cost equals whichever LLM provider you connect (OpenRouter offers metered access to 200+ models).
Open source. Cost is your VPS plus the model provider you choose.
Similar Tools
License: MIT License
Use freely, including commercial. Just keep the license.
Commercial use: ✓ Yes
About
- Owner
- Nous Research (Organization)
- Stars
- 130,995
- Forks
- 19,834
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